The move is a setback for the benchmark that since the launch of the Nymex WTI futures in the early 1980s has dominated physical and financial oil markets.

• 纽约期货交易所1980年代初推出西德克萨斯中质原油期货以来，该品种作为油价基准一直主导原油的实物和金融市场。最近的趋势对该交易品种是一个打击。